WRECKTOUR:155 The Gretafield
Appeared in DIVER November 2011
This tanker wreck off Scotland’s north-east coast was a WW2 U-boat victim – it has been through the mill but still makes for a good dive for all comers, says JOHN LIDDIARD. Illustration by MAX ELLIS
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One of the low-pressure pistons broken from the huge four-cylinder steam engine
The tail-end of the propeller-shaft
High-pressure piston from the engine